Page 20 - Math Skill - 5

18 Maths

Exercise 1.6

1. Write the smallest and greatest number using the given digits only once.
(a) 0, 3, 5, 2, 1, 6 (b) 3, 5, 2, 9, 4, 1 (c) 2, 0, 6, 3, 5
(d) 1, 9, 8, 7, 6, 8 (e) 6, 3, 0, 1, 2, 8 (f) 7, 5, 8, 2, 9, 4

2. Calculate the total number of:
(a) 5-digit numbers (b) 8-digit numbers (c) 7-digit numbers

ASSESSMENT TIME

COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions

1. The face value of 4 in the numeral 8,92,47,605 is:
(a) 4 (b) 40000 (c) 47605
2. What comes just before 10,00,000?

(a) 99,999 (b) 9,99,999 (c) 99,99,999
3. How many 4-digit numbers are there?
(a) 8999 (b) 9000 (c) 8000

4. In Indian Place Value System, 10 million is written as:
(a) 10 lakhs (b) 1 crore (c) 10 crore
5. The greatest 5-digit number using the digits 5, 2, 6, 0, 3 (without repeating) is:

(a) 60253 (b) 65320 (c) 63052

B. Fill in the Blanks
1. In Indian Place Value System, 1 million is written as _______________
2. What comes just before 10,00,000? _______________

3. Write the successor of 8,04,210 _______________
4. The place value of 7 in the number 98745603 is __________.
5. Form the smallest 6-digit number using the digits 9, 3, 6, 0, 1, 4, 7, 5. __________
6. Write the smallest 6-digit number by using the digits 8, 4, 5, 0, 1. (You can use any one
digit twice.) ____________

SKILL BASED QUESTIONS
C. Case Study
Rekha was given the digits 3, 9, 6, 7, 0 and 8. She was asked to form the smallest 7-digit number by
repeating any one digit. Reshu was also given the same digits and was asked to form the greatest
7-digit number by repeating any one digit.